Human homeostasis: Clarifying the role of the nephronThis video was made for Matric revision, covering the topic Human homeostasis: Clarifying the role of the nephron […] 28th August 2015 in Education by Derek Keats
Human homeostasis: Part 3 – Regulation of carbon dioxideThis video was made for Matric revision, covering the topic Human homeostasis: Part 3 – Regulation of carbon […] 27th August 2015 in Education by Derek Keats
Human Homeostasis: Part 2, water, saltsThis video was made for Matric revision, covering the topic Human homeostasis: Part 2, water, salts Hopefully this […] 26th August 2015 in Education by Derek Keats
For the Matrics: Homeostasis 1 – constant internal environmentThis video was made for Matric revision, covering the topic Human homeostasis: part 1 – Negative feedback, Glucose […] 25th August 2015 in Education / Uncategorised by Derek Keats
The DBE: providing an excellent example of a bad example ...This is the presentation I gave to DBE workshop in November last year, with the recommendations of the […] 5th August 2015 in Uncategorised by Derek Keats
Department of Basic Education: the lazy, incompetent way to do ...Last year, the DBE announced that it would only examine the CAT curriculum using Microsoft Office, and the […] 4th August 2015 in Education / Free and open source software by Derek Keats
If you shoot a lion, you are responsible for your ...It is interesting how people, via the global social media, have responded to the poaching of Cecil the […] 29th July 2015 in Uncategorised by Derek Keats
Thought for the day July 26, 2015May you find peace and happiness in the real world through reason and science. May your life be […] 26th July 2015 in Uncategorised by Derek Keats
Three years with thumbzup – innovation up close and personalI don’t usually talk about my the work I do. Partly because we are startup and partly because, […] 24th July 2015 in Business / Education by Derek Keats
A moon, two planets and a starThe earth’s moon, Jupiter, Venus, and Regulus all lined up this evening. Regulus is just a faint point, […] 18th July 2015 in Astronomy and sky photography tagged Jupiter / moon / night sky / Saturn / stars by Derek Keats
Photos: Marievale Bird SanctuaryMarievale Bird Sanctuary is a protected area on the Blesbokspruit, located near the East Rand town of Nigel in […] 13th July 2015 in Nature photography / The natural world tagged birds by Derek Keats
The crab and the seaweed: how chemicals mediate interactions in ...Have you ever thought about how chemicals mediate a lot of the interactions that happen in ecosystems? The […] 12th July 2015 in Algae / The natural world by Derek Keats
Designing a university for the new millennium: David HelfandThis is something close to my heart, because if I live long enough and have enough money, I […] 9th July 2015 in Education by Derek Keats
Free Software alternatives to Photoshop and Lightroom: GIMP and digiKamBackground I belong to a number of photography sites and facebook groups, and a common question asked relates […] 4th July 2015 in Nature photography by Derek Keats
For something different: Lithophyllum cuneatum KEATSAnd now for something comepletely different: Lithophyllum cuneatum KEATS, a new species that I discovered in 1994, which […] 3rd July 2015 in Algae by Derek Keats
Seeing the Jewelbox for the first time in the skyLast night when we went out to photograph Jupiter and Venus, Melissa and I also took a photo […] 1st July 2015 in Astronomy and sky photography by Derek Keats
A little amateur photo astronomy tonightI went out with my daughter tonight to see Venus and Jupiter, with thanks to Esther for alerting […] 30th June 2015 in Astronomy and sky photography tagged astronomy / night sky / stars by Derek Keats
Giving thanks and pondering the futureToday is Sunday, a day when supposedly over 2.2 billion of the World’s 7+ Billion people are supposed […] 28th June 2015 in Atheism and religion / Uncategorised tagged religion / universe by Derek Keats
Photography is passion, energy, thought and knowledge combined with light, ...The title of this post, “Photography is passion, energy, thought and knowledge combined with light, colour, shape, texture […] 27th June 2015 in Nature photography / Uncategorised tagged photography by Derek Keats
Future history of 2015I went for a short visit to the future, and I came across these history notes. I thought […] 27th June 2015 in Critical thinking tagged countries / free software / gender / religion / same-sex / states / technology by Derek Keats
Welcome to my new blogThis is my new blog site, it is replacing my old blog that is still up for now […] 27th June 2015 in Uncategorised by Derek Keats